Russia’s second-largest oil producer, Lukoil, has fully restored the volume of its oil supplies to customers after a major contamination on the Druzhba oil pipeline disrupted Russian crude supply to the west for weeks in the spring. Lukoil redistributed its supplies through other export channels, including ports, “which made it possible to avoid negative consequences in executing export contracts,” Lukoil’s First Vice President, Vadim Vorobyov, told Russian news agency TASS on Wednesday. At the end of April, Russia halted supplies via the Druzhba oil pipeline to several European countries due to a contamination issue, which the Russians said was deliberate . The oil was contaminated with organic chlorine, a substance used in oil production to boost output but dangerous in high amounts for refining equipment. The amounts of the chemical were found to be at levels much higher than the maximum allowable amount. “On the part of Lukoil’s permanent […]